Home / 680,052.52-1,020,080.58-324,985.78

Finding the Fourth Proportional to 680,052.52, 1,020,080.58 and 324,985.78

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Solution

The fourth proportional to 680,052.52, 1,020,080.58 and 324,985.78 is: 487,479.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,052.52 : 1,020,080.58 = 324,985.78 : x
  2. Step 2: Convert to fraction form
    680,052.52/1,020,080.58 = 324,985.78/x
  3. Step 3: Cross multiply
    680,052.52x = 1,020,080.58 × 324,985.78
  4. Step 4: Simplify right side
    680,052.52x = 331,511,682,954.15
  5. Step 5: Solve for x
    x = 331,511,682,954.15/680,052.52
  6. Step 6: Final answer
    x = 487,479.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.